syzbot

BUG: sleeping function called from invalid context at net/mac80211/sta_info.c:1962
in_atomic(): 0, irqs_disabled(): 0, non_block: 0, pid: 21, name: kworker/u4:1
INFO: lockdep is turned off.
Preemption disabled at:
[<ffffffff88e875af>] __mutex_lock_common kernel/locking/mutex.c:955 [inline]
[<ffffffff88e875af>] __mutex_lock+0x10f/0x1110 kernel/locking/mutex.c:1103
CPU: 0 PID: 21 Comm: kworker/u4:1 Not tainted 5.10.0-rc2-next-20201109-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Workqueue: phy4 ieee80211_iface_work
Call Trace:
 __dump_stack lib/dump_stack.c:77 [inline]
 dump_stack+0x107/0x163 lib/dump_stack.c:118
 ___might_sleep.cold+0x1e8/0x22e kernel/sched/core.c:7293
 sta_info_move_state+0x32/0x8d0 net/mac80211/sta_info.c:1962
 sta_info_free+0x65/0x3b0 net/mac80211/sta_info.c:274
 sta_info_insert_rcu+0x303/0x2ba0 net/mac80211/sta_info.c:738
 ieee80211_ibss_finish_sta+0x212/0x390 net/mac80211/ibss.c:592
 ieee80211_ibss_work+0x2c7/0xe80 net/mac80211/ibss.c:1700
 ieee80211_iface_work+0x91f/0xa90 net/mac80211/iface.c:1478
 process_one_work+0x933/0x15a0 kernel/workqueue.c:2272
 worker_thread+0x64c/0x1120 kernel/workqueue.c:2418
 kthread+0x3af/0x4a0 kernel/kthread.c:292
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:296